1. 1 pack 1/4 sheet palm grip sanding pad, vacuum holes: 8 2. Replaces DeWalt 15128400 15128400SV. This 1/4 sheet backing plate features 8 vacuum holes that efficiently collect debris to ensure a clean work area. This replacement sanding pad uses adhesive to securely attach to sanding pads. 3. Please check the compatibility list in the product description below. 4. Compatible with various Dewalt, Black Decker, and Porter Cable sanders, including models such as DW411 Type 2, DW411 Type 1, DW411 Type 3, DW412 Type 2, DW412 Type 1, D26441 Type 1, D26441K Type 1, D26441K Type 1, D264441 41K Type 1, D264441K Type 1, D264441K 1KAR Type 1, BD5000 Type 1, BD5000 Type 2, 4011 Type 1, 401104 Type 1, 2714 Type 2, 2714 Type 1, 2711 Type 3, 2711 Type 2, 2711 Type 1, 24864 Type 1, 248633 Type 1, 370 Type 1, 342 Type 1, and 342 Type 2.